CN113153957A - Hand regulating flow valve device for small hydraulic damping cylinder - Google Patents
Hand regulating flow valve device for small hydraulic damping cylinder Download PDFInfo
- Publication number
- CN113153957A CN113153957A CN202110452643.XA CN202110452643A CN113153957A CN 113153957 A CN113153957 A CN 113153957A CN 202110452643 A CN202110452643 A CN 202110452643A CN 113153957 A CN113153957 A CN 113153957A
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- China
- Prior art keywords
- valve
- seal
- valve body
- damping cylinder
- valve core
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/34—Special valve constructions; Shape or construction of throttling passages
- F16F9/346—Throttling passages in the form of slots arranged in cylinder walls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/369—Sealings for elements other than pistons or piston rods, e.g. valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/065—Construction of housing; Use of materials therefor of taps or cocks with cylindrical plugs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
- F16K5/0407—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/04—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having cylindrical surfaces; Packings therefor
- F16K5/0457—Packings
- F16K5/0478—Packings on the plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention relates to the technical field of rehabilitation aids, and provides a hand regulating flow valve device for a small hydraulic damping cylinder, which comprises a damping cylinder body, a valve body and a valve core, wherein the damping cylinder body is provided with a cylinder cover; the valve body is provided with two axial seals, namely a first seal and a second seal; the valve core is provided with two axial seals, a third seal and a fourth seal; the valve body is fixed on two sides of the damping cylinder body through threads; the valve core is inserted into the valve body along the axial direction, and the flow of oil passing through the valve port can be adjusted by rotating the valve core. According to the invention, the valve core axial surface radial triangular groove oil passage structure and the valve body axial surface radial circular groove are matched for use, so that the gradual throttling effect is formed. Through the different angles of rotatory case, make the epaxial triangle-shaped slot of case increase gradually with the public area of the circular slot contact of valve body axial surface to realize more reasonable speed governing, make the flexible in-process of hydraulic damping jar piston rod more steady, simultaneously, can realize asymptotically adjusting according to actual damping needs, realize the minimum stable throttle of choke valve.
Description
Technical Field
The invention relates to the technical field of rehabilitation aids, in particular to a hand regulating flow valve device for a small hydraulic damping cylinder.
Background
As natural disasters, traffic accidents, and other irresistible disasters continue to occur, amputees who fail to secure their limbs due to serious injury during disasters and accidents have gradually increased. In recent years, with the development of science and technology and the improvement of the quality of life of the people, some disabled people hope to change the current situation of the disabled people urgently, and in order to help the disabled people to recover the mobility, the disabled people can be merged into the society again, the confidence and the quality of life of the disabled people are improved, and the high-end artificial joint is introduced into the design of an assistive device for assisting the disabled people to recover the motion function.
The throttle valve is an important device for adjusting the telescopic speed of the piston rod of the hydraulic damping cylinder, the cross section of a throttle orifice is circular in the design of the existing small hydraulic damping cylinder, so that the telescopic stability of the piston is poor, and the damping asymptotic stable throttle adjustment cannot be realized as required.
Disclosure of Invention
Therefore, in order to solve the technical problems in the prior art, the invention discloses a hand throttle device for a small hydraulic damping cylinder, which realizes minimum stable throttling of a throttle valve through a tapered throttling groove from shallow to deep.
Specifically, the invention is mainly realized by the following technical scheme:
a hand throttle apparatus for a small hydraulic damping cylinder comprising:
the damping cylinder body, the valve body and the valve core;
the valve body is provided with two axial seals, namely a first seal and a second seal;
the valve core is provided with two axial seals, a third seal and a fourth seal;
the valve body is fixed on two sides of the damping cylinder body through threads;
the valve core is axially inserted into the valve body, and the flow of oil passing through the valve port can be adjusted by rotating the valve core.
Preferably, the cross section of the valve body oil flow passage is a circular groove.
Preferably, the circular groove is designed to be gradually deeper from shallow and gradually wider from narrow.
Preferably, the section of the valve core oil flow passage is a triangular groove.
Preferably, the triangular groove is designed to be gradually deeper from shallow and gradually wider from narrow.
Preferably, the valve body is sealed by axially outer first and second seals, and the valve spool is sealed by axially outer third and fourth seals.
The hand regulating valve device for the small hydraulic damping cylinder disclosed by the invention adopts the tapered throttling grooves to realize the minimum stable throttling of the throttling valve from shallow to deep, and when in use, the hand regulating valve device provided by the invention is fixed at two sides of the cylinder body of the small hydraulic damping cylinder, and forms the gradual throttling effect by matching the valve core axial surface radial triangular groove oil passage structure with the valve body axial surface radial circular groove. Through the different angles of rotatory case, make the epaxial triangle-shaped slot of case increase gradually with the public area of the circular slot contact of valve body axial surface to realize more reasonable speed governing, make the flexible in-process of hydraulic damping jar piston rod more steady, simultaneously, can realize asymptotically adjusting according to actual damping needs, realize the minimum stable throttle of choke valve.
Drawings
1. FIG. 1 is a three-dimensional block diagram of a hand throttle assembly for a small hydraulic damping cylinder in an embodiment of the present invention;
2. FIG. 2 is a cross-sectional view of a hand throttle assembly for a small hydraulic damping cylinder in an embodiment of the present invention;
3. FIG. 3 is a three-dimensional structural view of a valve body in an embodiment of the invention;
4. fig. 4 is a three-dimensional structural view of the valve element in the embodiment of the invention.
Detailed Description
In order to make the core idea of the present invention more clearly understood, the following detailed description will be made with reference to the accompanying drawings.
As shown in fig. 1-2, the present invention discloses a hand regulating flow valve device for a small hydraulic damping cylinder, comprising:
the damping cylinder body 3, the valve body 4 and the valve core 5; the valve body 4 is provided with two axial seals, namely a first seal 1 and a second seal 2, and the valve body 4 is sealed by the first seal 1 and the second seal 2 on the outer sides in the axial direction; the valve core 5 is provided with two axial seals, namely a third seal 6 and a fourth seal 7, and the valve core 5 is sealed by the third seal 6 and the fourth seal 7 on the outer side in the axial direction; the valve body 4 is fixed on two sides of the damping cylinder body 3 through threads; the valve core 5 is inserted into the valve body 4 along the axial direction, and the flow of oil passing through the valve port can be adjusted by rotating the valve core 5.
As shown in fig. 3, which shows a three-dimensional structure diagram of the valve body 4 in the manual throttle valve device disclosed in the embodiment of the present invention, it can be known that the section of the oil flow passage of the valve body 4 is a circular groove, and the circular groove is gradually deeper from shallow and gradually wider from narrow.
As shown in fig. 4, which shows a three-dimensional structure diagram of the valve core 5 in the manual throttle valve device disclosed in the embodiment of the present invention, it can be known that the section of the oil flow passage of the valve core 5 is a triangular groove, and the triangular groove is gradually deeper from shallow and gradually wider from narrow.
From the above, in the hand regulating flow valve device for the small hydraulic damping cylinder disclosed by the embodiment of the invention, the valve body 4 is fixed on two sides of the cylinder body 3 of the hydraulic damping cylinder through threads and is used for regulating the flow of the inlet oil and the return oil so as to realize the regulation of the damping force. The valve core 5 is inserted into the valve body 4 along the axial direction, and the flow of oil passing through the valve port can be adjusted by rotating the valve core 5. The section of the oil flow passage of the valve body 4 is a circular groove, the section of the oil flow passage of the valve core 5 is a triangular groove, and the groove is gradually deepened from shallow and gradually widened from narrow. Specifically, a throttling effect is formed by matching the axial surface radial triangular groove oil duct structure of the valve core 5 and the axial surface radial circular groove of the valve body 4; when the valve core 5 is rotated at different angles, the public area of the triangular groove on the shaft of the valve core 5, which is gradually contacted with the circular groove on the shaft surface of the valve body 4, is gradually increased, so that reasonable speed regulation is realized, the piston rod of the hydraulic damping cylinder is more stable to stretch, meanwhile, asymptotic regulation can be realized according to actual damping requirements, and minimum stable throttling of the throttling valve is realized.
The foregoing detailed description of the embodiments of the present invention has been presented for the purpose of illustrating the principles and implementations of the present invention, and the description of the embodiments is only provided to assist understanding of the core concepts of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (6)
1. A hand throttle device for a small hydraulic damping cylinder, comprising:
the damping cylinder comprises a damping cylinder body (3), a valve body (4) and a valve core (5);
the valve body (4) is provided with two axial seals, namely a first seal (1) and a second seal (2);
the valve core (5) is provided with two axial seals, a third seal (6) and a fourth seal (7);
the valve body (4) is fixed on two sides of the damping cylinder body (3) through threads;
the valve core (5) is axially inserted into the valve body (4), and the flow of oil passing through the valve port can be adjusted by rotating the valve core (5).
2. A hand throttle device for small hydraulic damping cylinders, according to claim 1, characterised in that the oil flow channel of the valve body (4) is a circular groove in cross-section.
3. A hand throttle device for small hydraulic damping cylinders as claimed in claim 2, characterised in that said circular groove is designed to be gradually deeper from shallow and gradually wider from narrow.
4. A hand throttle device for small hydraulic damping cylinders according to claim 1, characterised in that the spool (5) has triangular grooves in the oil flow path cross section.
5. A hand throttle device for small hydraulic damping cylinders as claimed in claim 4, wherein said triangular groove is designed to be gradually deeper from shallow and gradually wider from narrow.
6. A hand throttle device for small hydraulic damping cylinders according to claim 1, characterised in that the valve body (4) is sealed by an axially outer first seal (1) and a second seal (2), and that the valve spool (5) is sealed by an axially outer third seal (6) and a fourth seal (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110452643.XA CN113153957A (en) | 2021-04-26 | 2021-04-26 | Hand regulating flow valve device for small hydraulic damping cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110452643.XA CN113153957A (en) | 2021-04-26 | 2021-04-26 | Hand regulating flow valve device for small hydraulic damping cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113153957A true CN113153957A (en) | 2021-07-23 |
Family
ID=76870734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110452643.XA Pending CN113153957A (en) | 2021-04-26 | 2021-04-26 | Hand regulating flow valve device for small hydraulic damping cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113153957A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2197534Y (en) * | 1993-07-26 | 1995-05-17 | 黄萍 | Screwed adjusting valve |
| CN101839352A (en) * | 2010-05-25 | 2010-09-22 | 陈林延 | Stepping automatic control valve |
| CN106122164A (en) * | 2016-08-23 | 2016-11-16 | 国家康复辅具研究中心 | A kind of slew rate adjusting means for joint of artificial limb |
| CN106344227A (en) * | 2016-08-23 | 2017-01-25 | 国家康复辅具研究中心 | Device for adjustment of artificial limbs knee-joint movement |
| US20170184205A1 (en) * | 2014-07-04 | 2017-06-29 | Avl List Gmbh | Linear control valve |
| CN111779856A (en) * | 2020-07-21 | 2020-10-16 | 亿川科技(成都)有限责任公司 | Angle stroke small flow regulating valve |
| CN111779857A (en) * | 2020-07-21 | 2020-10-16 | 亿川科技(成都)有限责任公司 | Angle stroke waste water regulating valve |
| CN112503204A (en) * | 2020-10-30 | 2021-03-16 | 斯德宝泵阀(苏州)有限公司 | Proportional control ball valve |
-
2021
- 2021-04-26 CN CN202110452643.XA patent/CN113153957A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2197534Y (en) * | 1993-07-26 | 1995-05-17 | 黄萍 | Screwed adjusting valve |
| CN101839352A (en) * | 2010-05-25 | 2010-09-22 | 陈林延 | Stepping automatic control valve |
| US20170184205A1 (en) * | 2014-07-04 | 2017-06-29 | Avl List Gmbh | Linear control valve |
| CN106122164A (en) * | 2016-08-23 | 2016-11-16 | 国家康复辅具研究中心 | A kind of slew rate adjusting means for joint of artificial limb |
| CN106344227A (en) * | 2016-08-23 | 2017-01-25 | 国家康复辅具研究中心 | Device for adjustment of artificial limbs knee-joint movement |
| CN111779856A (en) * | 2020-07-21 | 2020-10-16 | 亿川科技(成都)有限责任公司 | Angle stroke small flow regulating valve |
| CN111779857A (en) * | 2020-07-21 | 2020-10-16 | 亿川科技(成都)有限责任公司 | Angle stroke waste water regulating valve |
| CN112503204A (en) * | 2020-10-30 | 2021-03-16 | 斯德宝泵阀(苏州)有限公司 | Proportional control ball valve |
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